<p class=”MsoNormal”>The book of Leviticus teaches us about the sacrificial offerings that the Lord required his people for their sins to be covered. Only those from the tribe of Levi were permitted to serve as priests and to offer up their sacrifices to God. People that were considered unclean for many reasons were given instructions from Moses and the priests to follow in order to be purified at times they would be put outside the camp to be quarantined.</p>